Uptime Tracker
Uptime Tracker monitors websites, APIs, servers and scheduled jobs around the clock, rechecking failures before sending alerts to help distinguish outages from brief network errors. It supports HTTP(S) and keyword checks, SSL certificates, TCP ports, DNS records, ping, domain expiry, authenticated API tests with JSON assertions, multi-step API workflows, gRPC, SMTP, IMAP and heartbeat monitoring for cron jobs and backups. Alerts can be routed through rules to email, SMS, Slack, Microsoft Teams, Discord, Telegram, Google Chat, PagerDuty, Pushover, ntfy, Gotify, Mattermost, Rocket.Chat and webhooks, with on-call schedules and escalation. The service includes incident timelines, maintenance windows, reports and hosted status pages on custom domains. Individuals, developers, SaaS teams, agencies, freelancers, online stores and small businesses can use it to monitor services and communicate availability. A free plan includes two monitors; paid plans start at $9 per month.
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Oh Dear
Oh Dear monitors the health of every website a team manages. Oh Dear checks uptime every minute from multiple locations and monitors SSL certificates, DNS records, domain expiration, scheduled tasks, broken links, mixed content, performance, Lighthouse, APIs, application health, ping, TCP ports, sitemaps, DNS blocklists and exposed ports.
Oh Dear sends alerts through email, Slack, Microsoft Teams, PagerDuty, Opsgenie and webhooks. Oh Dear includes branded status pages, client-ready reports, unlimited users and every monitoring feature on every plan. Oh Dear also includes AI-powered checks and SSO.
Mattias Geniar and Freek Van der Herten founded Oh Dear in Belgium in 2018. Oh Dear stores monitoring data in the EU and supports GDPR requirements. Oh Dear offers a 10-day trial with every feature and requires no payment information.
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Pulsecima Pulse
Pulsecima Pulse is a hosted uptime and response-time monitoring service for websites and HTTP endpoints. It checks URLs from Virginia, Ireland, and Singapore, and confirms an incident only when at least two fresh regions report a failure. This regional confirmation helps teams distinguish service outages from failures observed by a single monitor. Features include public status pages, maintenance windows, SSL-expiry and response-time alerts, uptime reports, and alert routing through email, Slack, webhooks, and PagerDuty; Slack and webhooks are available on Basic and Pro, while PagerDuty is available on Pro. Basic and Pro plans include heartbeat monitoring for cron jobs and scheduled tasks, using a unique ping URL to detect missed check-ins. The service is aimed at developers and teams responsible for websites, APIs, SaaS services, and scheduled jobs. A free plan covers up to three monitored URLs; paid plans are billed per active URL.
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PagerDuty
4.7 out of 5 stars
(44 Ratings)
PagerDuty, Inc. (NYSE:PD) is a leader in digital operations management. In an always-on world, organizations of all sizes trust PagerDuty to help them deliver a perfect digital experience to their customers, every time.
Teams use PagerDuty to identify issues and opportunities in real time and bring together the right people to fix problems faster and prevent them in the future. PagerDuty's ecosystem of over 350+ integrations, including Slack, Zoom, ServiceNow, AWS, Microsoft Teams, Salesforce, and more, enable teams to centralize their technology stack, get a holistic view of their operations, and optimize processes within their toolsets.
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